HPK1-IN-4 (comp 22) is a HPK1 (MAPK41) inhibitor (IC50 of 0.061 nM) as preclinical immunotherapy tool compound[1].
[1]. Brandon A Vara, et al. Discovery of Diaminopyrimidine Carboxamide HPK1 Inhibitors as Preclinical Immunotherapy Tool Compounds. ACS Med Chem Lett. 2021 Mar 19;12(4):653-661.
















